Signs on homes in San Dimas: the local rules

Each rule below links to the section of the San Dimas Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What San Dimas's code says

San Dimas code What San Dimas's code adds
Signs that need no permit	1 nameplate per unit, not lit, up to 1 square foot; no sign permit required Applies: Shows the premises name, owner or lessee, or the nature of a home occupation § 18.152.050 · code text One nonilluminated nameplate per unit, not exceeding one square foot in area, displaying the following:
For-sale and open-house signs	Not lit, up to 4 feet high and 6 square feet of sign face; no sign permit required Applies: Real estate sign on a single-family or multiple-family residence or vacant property; at least 8 feet from the property line; remove when the sale ends § 18.152.050 · code text Unlighted real estate signs pertaining only to the sale, lease or hire of a particular building, property or premises upon which displayed, which do not exceed four feet in height and six square feet of total sign face area. Up to 6 square feet and 4 feet high; at most 4 signs; no sign permit required Applies: Single-family open house signs on weekends and legal holidays, to direct traffic from major and collector streets; no balloons, flags, pennants or lighting § 18.152.050 · code text Maximum sign area of six square feet and maximum height of four feet.
Other temporary signs	Up to 6 square feet and 4 feet high; at most 4 signs; no sign permit required Applies: Signs for a permitted garage or yard sale, to direct traffic from major and collector streets; no balloons, flags, pennants or lighting; owner's permission needed § 18.152.050 · code text Maximum sign area of six square feet and maximum height of four feet.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

What signs may I put up at my home in San Dimas?

San Dimas's code: 1 nameplate per unit, not lit, up to 1 square foot; no sign permit required (Shows the premises name, owner or lessee, or the nature of a home occupation) (§ 18.152.050); Not lit, up to 4 feet high and 6 square feet of sign face; no sign permit required (Real estate sign on a single-family or multiple-family residence or vacant property; at least 8 feet from the property line; remove when the sale ends) (§ 18.152.050).

Signs on homes in San Dimas

What San Dimas's code says

Who this affects

Frequently asked questions

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